Cheating in round #824 (div 2)

Revision en1, by leonlian, 2022-10-03 01:27:58

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  Rev. Lang. By When Δ Comment
en2 English leonlian 2022-10-03 16:20:23 357
en1 English leonlian 2022-10-03 01:27:58 900 Initial revision (published)